25217820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4831}}^1$

素因数の和:4875

約数の個数: 72

約数和(自身を含む): 79148160

約数和(自身を除く): 53930340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 4831, 5220, 9662, 14493, 19324, 24155, 28986, 43479, 48310, 57972, 72465, 86958, 96620, 140099, 144930, 173916, 217395, 280198, 289860, 420297, 434790, 560396, 700495, 840594, 869580, 1260891, 1400990, 1681188, 2101485, 2521782, 2801980, 4202970, 5043564, 6304455, 8405940, 12608910, 25217820]

約数ペア:

[(1, 25217820), (2, 12608910), (3, 8405940), (4, 6304455), (5, 5043564), (6, 4202970), (9, 2801980), (10, 2521782), (12, 2101485), (15, 1681188), (18, 1400990), (20, 1260891), (29, 869580), (30, 840594), (36, 700495), (45, 560396), (58, 434790), (60, 420297), (87, 289860), (90, 280198), (116, 217395), (145, 173916), (174, 144930), (180, 140099), (261, 96620), (290, 86958), (348, 72465), (435, 57972), (522, 48310), (580, 43479), (870, 28986), (1044, 24155), (1305, 19324), (1740, 14493), (2610, 9662), (4831, 5220)]